<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>函数</title>
	</head>
	<body>
		<script type="text/javascript">
			var a=function(){
				console.log("我是函数a");
			}
			function b(){
				console.log("我是函数b");
			}
			b();
			a();
		</script>
	</body>
</html>
